These versatile adhesive discs are perfect for home decor, scrapbooking, crafts, hobbies and quick repairs. The Backing peels off easily for easy application and adheres quickly and solidly but can also be removed without hassle or mess. Bonds to paper, metal, wood, tile plastic, cement, glass fabric and more. There are 48 pieces per box (40 small pieces and 8 large pieces). Small rounds measure 5/8" and large rounds measure 2".